Should I check the MOT history before buying a 2021 Vauxhall Insignia Ultimate Nav Turbo D?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2021 Vauxhall Insignia Ultimate Nav Turbo D?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2021 Vauxhall Insignia Ultimate Nav Turbo D?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Is the 2021 Vauxhall Insignia Ultimate Nav Turbo D reliable?

Based on MOT data from 263 vehicles, the 2021 Vauxhall Insignia Ultimate Nav Turbo D has a first-time MOT pass rate of 91.2%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 2021 Vauxhall Insignia Ultimate Nav Turbo D?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Vauxhall Insignia Ultimate Nav Turbo D (2021)

263 real MOT outcomes analysed • 91.2% first-time pass rate

2021 Vauxhall Insignia Ultimate Nav Turbo D

CarHunch analysed 263 real MOT records for the 2021 Vauxhall Insignia Ultimate Nav Turbo D. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Mileage Distribution MOT Averages Colour Breakdown Compare Models

This 2021 Insignia diesel is notably reliable, with an 89.5% first-time pass rate that sits well above the UK average of 80%, and only 10.7% of vehicles ever flagged for dangerous defects—a manageable concern level. The petrol/diesel split isn't shown separately, but the diesel variant here is performing solidly in its class.

At just over 32,000 miles median, these cars are running relatively light for their age, which explains why owners are averaging only 0.3 failures per MOT—genuine engineering resilience rather than low-mileage luck. The 2.0 advisories per vehicle suggest minor wear items will crop up as expected, so budget for routine items; focus any pre-purchase inspection on suspension and brake components where advisories typically cluster on this generation.

We have limited data for the 2021 Vauxhall Insignia Ultimate Nav Turbo D — treat the figures below as indicative rather than definitive.

⚠️ About 1 in 12 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

91.2%

UK average ~80%

Better than average

Dangerous (ever)

10.7%

At least once in MOT history

Check this vehicle

Avg failures / car

0.3

Over 2.4 tests on record

Low

Typical mileage

32k

Middle half: 22k–45k

For context

These stats describe 263 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

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Spot recurring advisories, hidden issues, and how it compares to 263 Vauxhall Insignia Ultimate Nav Turbo D cars.

Before you buy a 2021 Vauxhall Insignia Ultimate Nav Turbo D

Based on MOT data from 263 vehicles — here's what to check.

📋 Check the full MOT history. 10.7% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Colour Breakdown

Based on 316 Vauxhall Insignia Ultimate Nav Turbo D vehicles registered in the UK — across all years. From DVLA registration records.

Blue 39.2%

124

Grey 18.7%

Red 18.4%

Black 12%

White 8.2%

Brown 1.9%

Silver 1.6%

Mileage Distribution

Most 2021 Vauxhall Insignia Ultimate Nav Turbo D vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

32,132

typical

22,016

low mileage

45,068

high mileage

Half of all 2021 Vauxhall Insignia Ultimate Nav Turbo D vehicles fall between 22,016 and 45,068 miles.

Is the mileage you're seeing normal?

✓ Under 22,016 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 22,016–45,068 miles — normal for age. This is where most 2021 Vauxhall Insignia Ultimate Nav Turbo Ds sit.

⚠ Over 60,841 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

2.4

Avg MOT tests per vehicle

0.3

Avg failures per vehicle

Avg advisories per vehicle

Compare with another model

See how the 2021 Vauxhall Insignia Ultimate Nav Turbo D stacks up against a rival.

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